BIG FLATS, NEW YORK

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.2		-4.9		-3.6		1.1		7.3		13		18.2		20.6		19.9		15.5		9.3		3.7		-1.8

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.7		0.6		2		7.1		14.5		20.6		25.1		27.6		26.9		22.7		16.3		9.6		2.9

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.8		-10.4		-9.3		-4.9		0.1		5.5		11.2		13.4		12.8		8.3		2.3		-2.1		-6.6

Highest Recorded Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38		20		18		26		31		33		38		37		37		38		32		26		18

Lowest Recorded Temperature

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-31		-31		-31		-25		-12		-3		-4		5		---		-4		-7		-21		-26

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.7		---		---		---		0.2		0.2		0.8		2.9		2.1		0.6		---		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59.7		---		---		0.1		1.3		4.8		11.4		19.5		16.5		4.9		1.2		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		130.5		---		---		0.9		4.6		14.5		24.5		30.5		29.5		19.3		6.5		0.5		---

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		184.1		0.3		---		3.3		12.8		25.3		29.5		31		31		28.6		16.3		5.1		0.9

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		233.7		2.2		2.5		10.2		22.4		30.3		30		31		31		30		26.8		13.5		3.8

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		281.7		7.7		8.2		19.2		27.9		31		30		31		31		30		30.9		24.2		10.6

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		364.8		31		28		31		30		31		30		30.8		31		30		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		340.4		31		28		31		30		30.5		24.9		21.9		22.9		28.1		31		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		275.7		31		28		31		29.4		24.5		10.3		5.1		7.4		19.1		29		30		31

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		215.1		30.9		27.9		30.1		25.4		12.9		1.6		0.1		0.4		6.5		21.7		27.1		30.4

Average Number of Days Below 32F/0C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		160.3		29.8		26.2		25		15.2		4.8		0.1		---		---		0.5		11.2		20.5		26.8

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		69.4		21		17.9		10.7		1.5		---		---		---		---		---		0.2		3.8		14.4

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.7		11.8		9.1		2.9		0.2		---		---		---		---		---		---		0.2		5.5

Average Number of Days Below 0F/-17C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.4		5.1		2.3		0.5		---		---		---		---		---		---		---		---		0.5

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		878.8		50.8		40.6		63.5		76.2		83.8		111.8		86.4		88.9		88.9		63.5		73.7		50.8

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1.7		0.8		0.8		1		1.3		1.8		2.6		2.9		2.8		2.3		1.6		1.3		1

Average Number of Rainy Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63		4		4		5		5		6		5		6		6		4		4		4		4

Average Snowfall

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		93		15		22		17		1		---		---		---		---		---		---		15		21

Average Dew Point

Years on Record: 6

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3		-6		-6		-4		1		7		12		15		13		10		5		---		-5

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7009		1297		1107		961		597		310		85		20		35		180		505		788		1124

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		382		---		---		---		2		14		76		142		120		27		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2235		---		---		6		51		203		441		587		550		305		81		10		1

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10		11.1		12.5		13.9		15.2		15.8		15.4		14.3		12.9		11.5		10.3		9.7

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		63.7		76		69.2		65.3		60.6		56.5		57.6		54.7		57		60.2		62		71.4		74.6

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		60.9		73.7		66.6		62.4		58		53.1		54.5		51		54.2		57		59.3		68.3		72.1

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		10		11.5		11.6		11.6		11.6		10.3		8.9		8.4		7.9		8.4		9.1		9.9		10.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.8		6.1		9.1		12.3		15.3		18.3		20.3		19.9		17.6		14.1		9.8		5.9		5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		2.6		3.7		5.3		7.1		8.3		8.9		8.5		7.4		5.8		4.2		2.9		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.3		10.9		13.4		14.9		15.5		16.8		17.8		17.8		17.1		15.9		13.2		9		9.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		10.7		13.2		13.9		14		15.8		17.9		18		16.7		15.4		12.6		8.5		9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.8		6.1		9.1		12.3		15.3		18.3		20.3		19.9		17.6		14.1		9.8		5.9		5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		2.7		3.8		5.4		7.2		8.5		9.1		8.8		7.6		6		4.3		3		2.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		13.4		16.6		18.4		17.8		19.9		19.7		19.7		19.5		18.7		16.5		11.2		11.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18		13.9		17.6		19		17.6		22		22.1		22		21.1		19.9		17.2		11.3		12.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.4		4.6		7.5		11.1		12.2		13.8		16.2		16.1		15.7		11.1		7.8		4.2		4.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.5		3.4		4.9		6.9		7.8		8.5		8.1		7		5.4		3.9		2.7		2.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.1		7.1		10.3		12.8		12.1		12.6		14.3		14.4		15.2		11.9		9.7		5.7		6.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9		6		9.1		11.1		8.8		8.9		11.2		11.6		13.2		9.5		8		4.5		5.9